Introduction Scope Of Functions - Viessmann VITOTRONIC 200 Service Instructions Manual

Introduction
Scope of functions
These service instructions include the following infor-
mation regarding the Vitotronic 200, type WO1C heat
pump control unit for air/water heat pumps with sepa-
rate indoor and outdoor unit:
■ Function description
Control parameters for matching the heat pump to
■
different requirements and operating conditions
Diagnosis options for heating system and refrigerant
■
circuit
■ Troubleshooting measures
■ Overview of electrical connections
System examples
System examples with hydraulic and electric connec-
tion diagrams as well a detailed function description
are available to aid the understanding of the heat
pump control unit function.
Appliance types
Compact brine/water heat pumps
All of the heat pump components, including the heat
pump control unit and a DHW cylinder, are housed in
one appliance.
Overview of system components and functions for compact brine/water heat pumps
System component/function
Primary source, ice store/solar
air absorber
Heating/cooling circuits
Instantaneous heating water
heater
Heating water buffer cylinder
Heating water/coolant buffer
cylinder
Central heating
Central cooling
DHW heating
Swimming pool heating
Mechanical ventilation
Photovoltaics
Smart Grid
Note
The following functions are not possible with brine/
water heat pumps:
Dual mode operation with an external heat generator
■
Heat pump cascade
■
16
The functions and control characteristics of the heat
pump control unit are matched to the relevant heat
pump by means of the coding card. As a conse-
quence, the full scope of functions described here is
not necessarily available for every heat pump type.
In addition, the selected system scheme and the auxili-
ary equipment also influence the functions available in
the heat pump control unit.
Type or system-specific details are only highlighted in
those places where they have a direct effect on the
characteristics of the heat pump or the heating system.
Detailed information regarding system examples:
www.viessmann-schemes.com
The Vitocal 333-G has a variable speed compressor.
The Vitocal 222-G has a fixed speed compressor.
Page Vitocal 222-G
26
48 In conjunction with buffer cylinder:
A1/HC1
■
M2/HC2: Mixer motor directly controlled
■
M3/HC3: Mixer motor controlled via KM-BUS
■
39 Factory-fitted
43
43
-
48
55 Natural cooling function in conjunction with NC-Box (accessories)
40 DHW cylinder integrated
56
57
69
35
Vitocal 333-G
X
Factory-fitted
X
X
X
X
X
X
X
X
-
X
X
X
X
X